ZDI-CAN-21817: ZDI-23-1803: Parallels Desktop Updater Improper Verification of Cryptographic Signature Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute low-privileged code on the target host system in order to exploit this vulnerability. The specific flaw exists within the Updater service. The issue results from the lack of proper verification of a cryptographic signature. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
Other sources
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute low-privileged code on the target host system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2023-50228.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-21817?
The severity of ZDI-CAN-21817 is considered high due to the potential for local privilege escalation.
How do I fix ZDI-CAN-21817?
To fix ZDI-CAN-21817, users should apply the necessary security updates provided by Parallels for Desktop.
Who is affected by ZDI-CAN-21817?
ZDI-CAN-21817 affects installations of Parallels Desktop for Mac.
Can ZDI-CAN-21817 be exploited remotely?
No, ZDI-CAN-21817 requires local access to the system to exploit the vulnerability.
What are the implications of exploiting ZDI-CAN-21817?
Exploiting ZDI-CAN-21817 could allow an attacker to escalate privileges and gain unauthorized access to sensitive information.